Got HTTP status 404 Not Found for "http://john-chambers.us/~jc/music/book/Skye_HB/24FavouriteDances_1783_Straight.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8704-24FavouriteDances_1783_Straight.ps) >>/Users/jc/w/tmp/Tune-8704-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Skye_HB/24FavouriteDances_1783_Straight.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-8704-24FavouriteDances_1783_Straight.abc 171 ABC music file with the extracted tune(s)
Tune-8704-24FavouriteDances_1783_Straight.ps 6 PostScript
Tune-8704-24FavouriteDances_1783_Straight.txt 171 Plain-text file with the extracted tune(s)
Tune-8704-get.log 5830 Log file, useful mostly for debugging
Tune-87040-get.log 5723 Log file, useful mostly for debugging
Tune-87044-get.log 14554 Log file, useful mostly for debugging
Tune-87045-get.log 12502 Log file, useful mostly for debugging
Tune-87046-get.log 4545 Log file, useful mostly for debugging
Tune-87048-get.log 4013 Log file, useful mostly for debugging
Tune-87049-get.log 5426 Log file, useful mostly for debugging
These files should be available for 24 hours.